Arizona Sealing Devices, Inc. O-Rings, Buna/ Nitrile item-1234 Buna/ Nitrile

Arizona Sealing Devices, Inc. Compound Designation: BN Standard Color: Black Description: Presently the seal industry's most widely used and economical elastomer, Nitrile combines excellent resistance to petroleum-based oils and fuels, silicone greases, hydraulic fluids, water and alcohols, with a good balance of such desirable working properties as low compression set, high tensile strength, and high abrasion resistance. Key Use(s): Oil resistant applications of all types Low temperature military uses Off-road equipment Automotive, marine, aircraft fuel systems Can be compounded for FDA applications Temperature Range Standard Compound: -40° to +257°F Special Compound: -76° to +275°F Hardness (Shore A): 40 to 90. Features: Comprised of the copolymer butadiene and acrylonitrile, in varying proportions. Compounds can be formulated for service temperature ranging from -85°F to +275°F. Use of Carboxylated Nitrile can have superior abrasion resistance, while still having improved oil resistance. Limitations: Nitrile compounds are attached by small amounts of Ozone. Phthalate type plasticizers are commonly used in compounding Nitrile Rubber. These plasticizers can migrate out and cause problems with certain plastics. Also, new regulations on certain phthalates have limited their use.